Fix normalize_path's handling of "/.."

Currently it normalizes the path to a string with a single uninitialized
byte. It should instead normalize it to "/".

Bug: none
Test: /data/nativetest/linker-unit-tests/linker-unit-tests32
Test: /data/nativetest64/linker-unit-tests/linker-unit-tests64
Change-Id: I06e0f7598d16acfa21875dad53efbc293cfeb44d

1 files changed, 2 insertions, 2 deletions

diff --git a/linker/linker_utils.cpp b/linker/linker_utils.cpp
index 789d5c1b8..6b9aec9fa 100644
--- a/linker/linker_utils.cpp
+++ b/linker/linker_utils.cpp
@@ -98,8 +98,8 @@ bool normalize_path(const char* path, std::string* normalized_path) {
           while (out_ptr > buf && *--out_ptr != '/') {
           }
           if (in_ptr[0] == 0) {
-            // retain '/'
-            out_ptr++;
+            // retain '/' (or write the initial '/' for "/..")
+            *out_ptr++ = '/';
           }
           continue;
         }